chromium/third_party/blink/web_tests/fast/backgrounds/background-shorthand-with-backgroundSize-style.html

<!DOCTYPE html>
<html>
<script src="../../resources/js-test.js"></script>
<div id="test"> </div>
<script>
description("Tests background shortand property with background-size");

var e = document.getElementById('test');
var computedStyle = window.getComputedStyle(e, null);

function checkStyle() {
    var before = e.style.background;
    e.style.background = 'none';
    e.style.background = before;
    return (e.style.background == before);
}

function checkComputedStyleValue() {
    var before = window.getComputedStyle(e, null).getPropertyValue('background');
    e.style.background = 'none';
    e.style.background = before;
    return (window.getComputedStyle(e, null).getPropertyValue('background') == before);
}

e.style.background = 'center / cover red url("dummy://test.png") no-repeat border-box';
shouldBeEqualToString("e.style.background", 'url("dummy://test.png") center center / cover no-repeat border-box border-box red');
shouldBeEqualToString("e.style.backgroundSize", 'cover');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgb(255, 0, 0) url("dummy://test.png") no-repeat scroll 50% 50% / cover border-box border-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', 'cover');
shouldBe("checkComputedStyleValue()", "true");
debug("")

e.style.background = 'red 20px / contain url("dummy://test.png") no-repeat padding-box';
shouldBeEqualToString("e.style.background", 'url("dummy://test.png") 20px center / contain no-repeat padding-box padding-box red');
shouldBeEqualToString("e.style.backgroundSize", 'contain');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgb(255, 0, 0) url("dummy://test.png") no-repeat scroll 20px 50% / contain padding-box padding-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', 'contain');
shouldBe("checkComputedStyleValue()", "true");
debug("")

e.style.background = 'red url("dummy://test.png") 50px 60px / 50% 75% no-repeat';
shouldBeEqualToString("e.style.background", 'url("dummy://test.png") 50px 60px / 50% 75% no-repeat red');
shouldBeEqualToString("e.style.backgroundSize", '50% 75%');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgb(255, 0, 0) url("dummy://test.png") no-repeat scroll 50px 60px / 50% 75% padding-box border-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', '50% 75%');
shouldBe("checkComputedStyleValue()", "true");
debug("")

e.style.background = 'red url("dummy://test.png") repeat top left / 100px 200px border-box content-box';
shouldBeEqualToString("e.style.background", 'url("dummy://test.png") left top / 100px 200px repeat border-box content-box red');
shouldBeEqualToString("e.style.backgroundSize", '100px 200px');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgb(255, 0, 0) url("dummy://test.png") repeat scroll 0% 0% / 100px 200px border-box content-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', '100px 200px');
shouldBe("checkComputedStyleValue()", "true");
debug("")

e.style.background = 'red url("dummy://test.png") repeat 50% / auto auto content-box padding-box';
shouldBeEqualToString("e.style.background", 'url("dummy://test.png") 50% center / auto repeat content-box padding-box red');
shouldBeEqualToString("e.style.backgroundSize", 'auto');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgb(255, 0, 0) url("dummy://test.png") repeat scroll 50% 50% / auto content-box padding-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', 'auto');
shouldBe("checkComputedStyleValue()", "true");
debug("")

e.style.background = 'url("dummy://test.png") red 50px 60px / 50% no-repeat fixed';
shouldBeEqualToString("e.style.background", 'url("dummy://test.png") 50px 60px / 50% no-repeat fixed red');
shouldBeEqualToString("e.style.backgroundSize", '50%');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgb(255, 0, 0) url("dummy://test.png") no-repeat fixed 50px 60px / 50% padding-box border-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', '50%');
shouldBe("checkComputedStyleValue()", "true");
debug("")

e.style.background = 'red repeat scroll padding-box border-box top left / 100px url("dummy://test.png")';
shouldBeEqualToString("e.style.background", 'url("dummy://test.png") left top / 100px repeat scroll padding-box border-box red');
shouldBeEqualToString("e.style.backgroundSize", '100px');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgb(255, 0, 0) url("dummy://test.png") repeat scroll 0% 0% / 100px padding-box border-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', '100px');
shouldBe("checkComputedStyleValue()", "true");
debug("")

e.style.background = '50% / auto fixed url("dummy://test.png") repeat content-box red';
shouldBeEqualToString("e.style.background", 'url("dummy://test.png") 50% center / auto repeat fixed content-box content-box red');
shouldBeEqualToString("e.style.backgroundSize", 'auto');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgb(255, 0, 0) url("dummy://test.png") repeat fixed 50% 50% / auto content-box content-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', 'auto');
shouldBe("checkComputedStyleValue()", "true");
debug("")

e.style.background = "top left / 50%";
shouldBeEqualToString("e.style.background", 'left top / 50%');
shouldBeEqualToString("e.style.backgroundSize", '50%');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgba(0, 0, 0, 0) none repeat scroll 0% 0% / 50% padding-box border-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', '50%');
shouldBe("checkComputedStyleValue()", "true");
debug("")

e.style.background = "red fixed";
shouldBeEqualToString("e.style.background", 'fixed red');
shouldBeEqualToString("e.style.backgroundSize", 'initial');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgb(255, 0, 0) none repeat fixed 0% 0% / auto padding-box border-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', 'auto');
shouldBe("checkComputedStyleValue()", "true");
debug("")

e.style.background = "";
e.style.background = 'red / cover url("dummy://test.png") repeat';
shouldBeEqualToString("e.style.background", '');
shouldBeEqualToString("e.style.backgroundSize", '');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgba(0, 0, 0, 0) none repeat scroll 0% 0% / auto padding-box border-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', 'auto');
shouldBe("checkComputedStyleValue()", "true");
debug("")

e.style.background = "";
e.style.background = 'red url("dummy://test.png") repeat 25px / contain contain';
shouldBeEqualToString("e.style.background", '');
shouldBeEqualToString("e.style.backgroundSize", '');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgba(0, 0, 0, 0) none repeat scroll 0% 0% / auto padding-box border-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', 'auto');
shouldBe("checkComputedStyleValue()", "true");
debug("")

e.style.background = "";
e.style.background = 'red top left / 100px cover url("dummy://test.png") repeat';
shouldBeEqualToString("e.style.background", '');
shouldBeEqualToString("e.style.backgroundSize", '');
shouldBe("checkStyle()", "true");
shouldBeEqualToString('computedStyle.getPropertyValue("background")', 'rgba(0, 0, 0, 0) none repeat scroll 0% 0% / auto padding-box border-box');
shouldBeEqualToString('computedStyle.getPropertyValue("background-size")', 'auto');
shouldBe("checkComputedStyleValue()", "true");
debug("")
</script>
</body>
</html>